EasyManua.ls Logo

Mitsubishi MELSEC A1SCPU User Manual

Mitsubishi MELSEC A1SCPU
149 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
AMITSUBISHI
PROGRAMMABLE CONTROLLERS

Table of Contents

Question and Answer IconNeed help?

Do you have a question about the Mitsubishi MELSEC A1SCPU and is the answer not in the manual?

Mitsubishi MELSEC A1SCPU Specifications

General IconGeneral
CPU TypeA1SCPU
Number of I/O PointsUp to 256
Operating Temperature0 to 55°C
Program Capacity8K steps
Number of Timers256
Number of Counters256
Programming LanguageLadder Diagram, Structured Text
Communication ProtocolsRS-422
Power Supply24V DC
Program MemoryRAM
Storage Temperature-25°C to 65°C
Humidity5 to 95% (non-condensing)
Shock Resistance150 m/s²
TypeProgrammable Logic Controller (PLC)

Summary

FOREWORD

Chapter 1: Overview of the A1S PLC

What is the AIS PLC?

Introduces the Mitsubishi AIS programmable logic controller.

How does the A1S PLC work?

Explains the sequential control program execution and system operation.

Selecting A1S PLC Modules

Guides users on selecting appropriate input, output, and function modules.

A1S PLC Installation Guidelines

Provides instructions for installing the PLC system.

A1S PLC Programming Ease

Addresses the ease of programming and programming modes.

A1S PLC Application Scope

Lists example applications and the general purpose of the A1S PLC.

Chapter 2: A1S Module Descriptions

CPU Module

Details the CPU module, its functions, and specifications.

CPU Base Units

Explains the purpose and types of CPU base units.

Extension Base Units

Explains the purpose and types of extension base units.

Power Supply Modules

Explains the function and types of power supply modules.

Input Modules

Introduces input modules and their interface function.

Output Modules

Introduces output modules and their interface function.

Special Function Modules

Introduces special function modules for dedicated control.

Memory Modules

Introduces memory modules for program storage.

Extension Cables

Introduces extension cables for connecting base units.

Terminal Block Units and Cables

Introduces terminal block units and cables for connection.

Chapter 3: System Selection and Configuration

System Selection Process

Introduces the process of selecting the appropriate PLC system components.

Step 1: Input Module Selection

Provides a flowchart for selecting the correct input modules.

Step 2: Output Module Selection

Provides a flowchart for selecting the correct output modules.

Step 3: Special Function Module Selection

Provides a flowchart for selecting special function modules.

Step 4: Power Supply Module Selection

Provides a flowchart for selecting the correct power supply module.

Step 5: Base Unit Selection

Provides a flowchart for selecting the correct base unit.

System Configuration

Explains how to configure the system and assign I/O numbers.

A1S System Examples

Presents example system configurations for various applications.

Chapter 4: Installation

Installation Environment

Lists unsuitable environments for PLC installation.

Base Unit Mounting Instructions

Provides instructions for mounting CPU and extension base units.

Mounting Base Units on DIN Rail

Explains the process of fixing base units to a DIN rail.

Removing Base Units from DIN Rail

Details the procedure for removing base units from a DIN rail.

Installing and Removing A1S Modules

Explains how to install and remove A1S modules from the base unit.

Dustproof Cover Installation and Removal

Describes how to install and remove dustproof covers for extension base units.

Chapter 5: Wiring

Wiring Instructions for Power Supply Module

Provides wiring guidelines for power supply modules.

Wiring of I/O Equipment

Offers wiring instructions for connected input and output equipment.

Grounding Procedures

Explains the proper grounding procedures for the PLC system.

Chapter 6: Programming

Internal Devices

Details PLC internal devices like inputs, outputs, relays, timers, counters, and registers.

Programming Language and Representation

Covers programming languages, numeric, and character representations.

Instruction Types

Introduces categories of PLC instructions: Sequence, Basic, and Application.

Chapter 7: A1S Application Examples

Building Management Example

Example of a MELSECNET/B data link control system.

Milling Machine Example

Example of a positioning control system application.

Welding Robot Example

Example of a robot control system application.

Winding Machine Example

Example of an analog control system application.

Compressor Station Energy Management Example

Example of a sequence control system application.

Related product manuals